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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="p3m7hkl" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/rongke/637334523626376953/2740739.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="ntz7zp2" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)格要求：</span>面議</p><p><span>所在地：</span>浙江省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>寧波寧海多功能通風(fēng)柜施工辦法,通風(fēng)柜</p><p><span>***更新：</span>2020-10-18 02:07:55</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="p7vegch" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">寧波榮科科技實(shí)業(yè)有限公司</a></p><p><span>聯(lián)系人：</span>程彩云</p><p><span>郵箱: </span>2529945077@qq.com</p><p><span>電話: </span>13028978763</p><p><span>傳真: </span>1302_</p><p><span>網(wǎng)址: </span>http://www.rk-lab.cn</p><p><span>手機(jī): </span>1302-28978763</p><p><span>地址: </span>集士港鎮(zhèn)賣面橋村</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="8ccmbxj" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="ami8t8l" class="box"><p><p style="text-indent:25px">pp通風(fēng)柜的質(zhì)量決定了空氣的流通速度：PP通風(fēng)柜主要應(yīng)由于對(duì)環(huán)境要求比較高的無(wú)塵室里面，因?yàn)镻P材質(zhì)有優(yōu)良的耐酸性能，與全鋼通風(fēng)柜相比，優(yōu)異的耐酸堿性能可以從事更**度的酸堿實(shí)驗(yàn)。是全鋼通風(fēng)柜無(wú)法取代的?？梢詰?yīng)用于**度酸堿實(shí)驗(yàn)，凈化室里面的等**場(chǎng)所在實(shí)驗(yàn)室中，通常都會(huì)準(zhǔn)備通風(fēng)的設(shè)備，因?yàn)閷?shí)驗(yàn)過(guò)程中的一些有害健康或破壞環(huán)境的其它以及顆粒物質(zhì)需要得到排放。另外，部分實(shí)驗(yàn)室使用的頻率并不是很高，也需要經(jīng)常進(jìn)行通風(fēng)，否則各種實(shí)驗(yàn)試劑的味道會(huì)將整個(gè)實(shí)驗(yàn)室污染，寧波寧海多功能通風(fēng)柜施工辦法。pp通風(fēng)柜是比較常用的實(shí)驗(yàn)室通風(fēng)設(shè)備，寧波寧海多功能通風(fēng)柜施工辦法，它要比一般單純的排風(fēng)扇效果要好很多。然而，寧波寧海多功能通風(fēng)柜施工辦法，pp通風(fēng)柜的排風(fēng)效果也是由其質(zhì)量決定的，不同質(zhì)量會(huì)決定不同的空氣流通速度。避免無(wú)組織氣流對(duì)通風(fēng)柜排風(fēng)流場(chǎng)形成干擾。寧波寧海多功能通風(fēng)柜施工辦法</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="寧波寧海多功能通風(fēng)柜施工辦法,通風(fēng)柜" src="https://tyunfile.71360.com/UploadFile/rongke/637334523626376953/2740739.png"></div><p style="text-indent:25px">柜式排風(fēng)罩俗稱通風(fēng)柜，與密閉罩相似。小零件噴漆柜、化學(xué)試驗(yàn)室通風(fēng)柜是柜式排風(fēng)罩的典型結(jié)構(gòu)。大型室式通風(fēng)柜，一側(cè)面完全敞開，操作人員在柜內(nèi)工作，主要用于大件噴漆、粉料裝袋等。通風(fēng)柜的工作口對(duì)柜內(nèi)的氣流分布影響很大，氣流分布又直接影響柜式排風(fēng)罩的工作效果。局部排風(fēng)罩是局部排風(fēng)系統(tǒng)的重要組成部分。它的效能對(duì)整個(gè)排風(fēng)系統(tǒng)的技術(shù)經(jīng)濟(jì)性能具有十分重要的影響。設(shè)計(jì)完善的局部排風(fēng)罩可用較小的風(fēng)量獲得較佳的控制效果，并且保證工作區(qū)的有害物質(zhì)濃度符合國(guó)家衛(wèi)生標(biāo)準(zhǔn)的規(guī)定。寧波寧海多功能通風(fēng)柜施工方案通風(fēng)柜在各種生化和理化實(shí)驗(yàn)室中有著非常普遍的應(yīng)用。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="寧波寧海多功能通風(fēng)柜施工辦法,通風(fēng)柜" src="https://tyunfile.71360.com/UploadFile/rongke/637334523971923828/9573976.png"></div><p style="text-indent:25px">補(bǔ)風(fēng)型排風(fēng)柜：補(bǔ)風(fēng)型排風(fēng)柜在過(guò)去一度受到青睞，主要基于兩方面的考慮：首先是安全性，因?yàn)樗盟惋L(fēng)沖刷呼吸區(qū)并帶走污染物；其次是節(jié)能性，因?yàn)檠a(bǔ)風(fēng)(較高可達(dá)70％)不必處理即可送至柜前，從而省去了大量空調(diào)能耗。但實(shí)驗(yàn)及研究表明，補(bǔ)風(fēng)型排風(fēng)柜在這兩個(gè)方面都無(wú)法達(dá)到人們預(yù)期效果。首先，補(bǔ)風(fēng)型排風(fēng)柜引入了大量補(bǔ)風(fēng)基本上很少和室內(nèi)空氣混合而直接被吸走，這就使得房間內(nèi)其它空間區(qū)域可能存在的污染物只能通過(guò)少量的送風(fēng)進(jìn)行稀釋，這本身減少了安全性，而且柜前補(bǔ)風(fēng)會(huì)嚴(yán)重影響柜面處的氣流，擾動(dòng)加劇，很可能導(dǎo)致有害物溢出。而由于采用柜內(nèi)排風(fēng)，通過(guò)柜面的風(fēng)量減少導(dǎo)致風(fēng)速下降，后果更為嚴(yán)重，一般不建議采用。其次，開始的節(jié)能是考慮不對(duì)新風(fēng)處理這一前提而提出的。但指出為了確保溫度的一致性和操作者的舒適性，補(bǔ)風(fēng)溫度和房間溫度差值應(yīng)小于3℃，這一要求使其節(jié)能性不復(fù)存在。另外，一般的補(bǔ)風(fēng)型排風(fēng)柜都會(huì)在操作者頭部、肩部引起吹風(fēng)感，使人感到不適，而且補(bǔ)風(fēng)在冷表面上還會(huì)出現(xiàn)結(jié)冷凝水的情況。</p><p style="text-indent:25px">低溫通風(fēng)柜:當(dāng)有害物物的溫度比周圍空氣溫度低時(shí)，稱為低溫通風(fēng)柜。冷過(guò)程通風(fēng)柜采用上部排風(fēng)時(shí)氣流的運(yùn)動(dòng)情況。工作孔上部的吸入速度為平均流速的150%，而下部*為平均流速的60%，有害氣體會(huì)從下部逸出。為了改善這種狀況，柜內(nèi)應(yīng)加擋板，并把排風(fēng)口設(shè)在通風(fēng)柜的下部。高溫通風(fēng)柜：應(yīng)用于產(chǎn)熱量較大的工藝過(guò)程的通風(fēng)柜，稱為高溫通風(fēng)柜。熱過(guò)程通風(fēng)柜內(nèi)的熱氣流要向上浮升，如果像冷過(guò)程一樣，在下部吸氣，有害氣體就會(huì)從上部逸出。因此，熱過(guò)程的通風(fēng)柜必須在上部排風(fēng)。對(duì)于發(fā)熱量不穩(wěn)定的過(guò)程，可在上下均設(shè)排風(fēng)口。隨柜內(nèi)發(fā)熱量的變化，可以調(diào)節(jié)上下排風(fēng)量的比例，使工作孔的速度分布比較均勻。通風(fēng)柜流線形手把，手把與玻璃之間留有空隙由于空氣在臺(tái)面上的流動(dòng)是旋轉(zhuǎn)的，從而保證有效地的進(jìn)氣。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="寧波寧海多功能通風(fēng)柜施工辦法,通風(fēng)柜" src="https://tyunfile.71360.com/UploadFile/rongke/637334524201201171/842107.png"></div><p style="text-indent:25px">通風(fēng)柜的必須考慮的要素：通風(fēng)柜的安全性能是需要保證一點(diǎn)財(cái)產(chǎn),因?yàn)橐呀?jīng)應(yīng)用于通風(fēng)柜安全領(lǐng)域的實(shí)驗(yàn)和科研人員的安全事故是災(zāi)難性的破壞。在很多驚喜,因?yàn)槭〉耐L(fēng)櫥或臨時(shí)崩潰導(dǎo)致實(shí)驗(yàn)室造成的損失或傷害。通風(fēng)柜的安全性能是需要關(guān)注的設(shè)計(jì)元素。在安全設(shè)計(jì)上,除了定期更換通風(fēng)柜室內(nèi)凈化材料變形和定期清潔管道,外觀和內(nèi)部設(shè)計(jì)還需要考慮,使通風(fēng)柜的設(shè)計(jì)更加科學(xué)合理,必須考慮的要素如下:通風(fēng)柜排氣設(shè)備應(yīng)該用狹縫式排氣裝置,以確保排放有毒氣體不會(huì)影響科學(xué)研究人員正在測(cè)試和準(zhǔn)確地通過(guò)通風(fēng)凈化排放管道,通風(fēng)柜比較好的凈化效果。大型室式通風(fēng)柜，一側(cè)面完全敞開，操作人員在柜內(nèi)工作，主要用于大件噴漆、粉料裝袋等。寧波寧海多功能通風(fēng)柜施工辦法</p><p style="text-indent:25px">通風(fēng)柜實(shí)驗(yàn)結(jié)束前至少還要繼續(xù)運(yùn)行5分鐘以上才可關(guān)閉通風(fēng)機(jī)，以排出管道內(nèi)的殘留氣體。寧波寧海多功能通風(fēng)柜施工辦法</p><p style="text-indent:25px">通風(fēng)柜的分類及原理。變風(fēng)量式通風(fēng)柜：普通的定風(fēng)量系統(tǒng)需要人工調(diào)整固定葉片的風(fēng)閥，調(diào)節(jié)通風(fēng)柜的排風(fēng)量，當(dāng)調(diào)節(jié)閥門到某一角度時(shí)達(dá)到希望的面風(fēng)速。可分為整體式下部開放式、落地式、兩面式、三面玻璃式、桌上式、連體式以及根據(jù)不同實(shí)驗(yàn)使用需要而設(shè)計(jì)的對(duì)放射性實(shí)驗(yàn)的、對(duì)合成實(shí)驗(yàn)的，對(duì)過(guò)氯酸實(shí)驗(yàn)的**通風(fēng)柜?？煞譃橥馀判屯L(fēng)柜和無(wú)管道通風(fēng)柜。外排型通風(fēng)柜是可以將實(shí)驗(yàn)操作時(shí)產(chǎn)生的有毒有害氣體，通過(guò)外接的管道直接抽出到室外。寧波寧海多功能通風(fēng)柜施工辦法</p><p style="text-indent:25px">寧波榮科科技實(shí)業(yè)有限公司致力于建筑、建材，是一家服務(wù)型公司。公司業(yè)務(wù)分為實(shí)驗(yàn)室氣路工程，實(shí)驗(yàn)室通風(fēng)工程，實(shí)驗(yàn)室家具、裝修，實(shí)驗(yàn)臺(tái)、通風(fēng)柜、實(shí)驗(yàn)柜等，目前不斷進(jìn)行創(chuàng)新和服務(wù)改進(jìn)，為客戶提供良好的產(chǎn)品和服務(wù)。公司從事建筑、建材多年，有著創(chuàng)新的設(shè)計(jì)、強(qiáng)大的技術(shù)，還有一批**的專業(yè)化的隊(duì)伍，確保為客戶提供良好的產(chǎn)品及服務(wù)。榮科科技立足于全國(guó)市場(chǎng)，依托強(qiáng)大的研發(fā)實(shí)力，融合前沿的技術(shù)理念，飛快響應(yīng)客戶的變化需求。</p></p><br /><p>文章來(lái)源地址: 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